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<?php /** * This file is part of CodeIgniter 4 framework. * * (c) CodeIgniter Foundation <admin@codeigniter.com> * * For the full copyright and license information, please view * the LICENSE file that was distributed with this source code. */ namespace CodeIgniter\Database; /** * Interface ResultInterface */ interface ResultInterface { /** * Retrieve the results of the query. Typically an array of * individual data rows, which can be either an 'array', an * 'object', or a custom class name. * * @param string $type The row type. Either 'array', 'object', or a class name to use */ public function getResult(string $type = 'object'): array; /** * Returns the results as an array of custom objects. * * @param string $className The name of the class to use. * * @return mixed */ public function getCustomResultObject(string $className); /** * Returns the results as an array of arrays. * * If no results, an empty array is returned. */ public function getResultArray(): array; /** * Returns the results as an array of objects. * * If no results, an empty array is returned. */ public function getResultObject(): array; /** * Wrapper object to return a row as either an array, an object, or * a custom class. * * If row doesn't exist, returns null. * * @param mixed $n The index of the results to return * @param string $type The type of result object. 'array', 'object' or class name. * * @return mixed */ public function getRow($n = 0, string $type = 'object'); /** * Returns a row as a custom class instance. * * If row doesn't exists, returns null. * * @return mixed */ public function getCustomRowObject(int $n, string $className); /** * Returns a single row from the results as an array. * * If row doesn't exist, returns null. * * @return mixed */ public function getRowArray(int $n = 0); /** * Returns a single row from the results as an object. * * If row doesn't exist, returns null. * * @return mixed */ public function getRowObject(int $n = 0); /** * Assigns an item into a particular column slot. * * @param string $key * @param mixed $value * * @return mixed */ public function setRow($key, $value = null); /** * Returns the "first" row of the current results. * * @return mixed */ public function getFirstRow(string $type = 'object'); /** * Returns the "last" row of the current results. * * @return mixed */ public function getLastRow(string $type = 'object'); /** * Returns the "next" row of the current results. * * @return mixed */ public function getNextRow(string $type = 'object'); /** * Returns the "previous" row of the current results. * * @return mixed */ public function getPreviousRow(string $type = 'object'); /** * Returns an unbuffered row and move the pointer to the next row. * * @return mixed */ public function getUnbufferedRow(string $type = 'object'); /** * Gets the number of fields in the result set. */ public function getFieldCount(): int; /** * Generates an array of column names in the result set. */ public function getFieldNames(): array; /** * Generates an array of objects representing field meta-data. */ public function getFieldData(): array; /** * Frees the current result. */ public function freeResult(); /** * Moves the internal pointer to the desired offset. This is called * internally before fetching results to make sure the result set * starts at zero. * * @return mixed */ public function dataSeek(int $n = 0); }